Use non-insulated flexible ductwork when ducting through conditioned spaces.

Installation Notes:Not to be installed in lengths greater than 14 feet.Not to be used to vent appliances for cooling, heating, and clothes drying unless approved and recommended by appliance manufacturer.

Use non-insulated flexible ductwork when ducting through conditioned spaces.

Installation Notes:Not to be installed in lengths greater than 14 feet.Not to be used to vent appliances for cooling, heating, and clothes drying unless approved and recommended by appliance manufacturer.